Classify the input using one of these labels: neutral, positive, and negative. @united yes, computer would allow me to get to San Diego quick but customer service will not help.  Says can't rebook http://t.co/KcVUbUYExc
system
Classify the input using one of these labels: neutral, positive, and negative. @united yes, computer would allow me to get to San Diego quick but customer service will not help.  Says can't rebook http://t.co/KcVUbUYExc
user
negative
assistant
system
Classify the input using one of these labels: neutral, positive, and negative. @united yes, computer would allow me to get to San Diego quick but customer service will not help.  Says can't rebook http://t.co/KcVUbUYExc
user
neutral
assistant